From aece71145025ffb81a91ac352703a8ef08550f84 Mon Sep 17 00:00:00 2001
From: Patrick Mulligan <patjmulligan@protonmail.com>
Date: Mon, 2 Mar 2026 14:01:09 -0500
Subject: [PATCH] feat: add cachix push script for pre-building ATM binaries

Build the system closure locally and push all store paths to
aiolabs.cachix.org so ATMs pull binaries instead of building
from source (which freezes the 2GB RAM hardware).

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
---
 deploy/push-cache.sh | 55 ++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 55 insertions(+)
 create mode 100755 deploy/push-cache.sh

diff --git a/deploy/push-cache.sh b/deploy/push-cache.sh
new file mode 100755
index 0000000..2abdf9e
--- /dev/null
+++ b/deploy/push-cache.sh
@@ -0,0 +1,55 @@
+#!/usr/bin/env bash
+# Build the douro-installed system closure and push all paths to cachix.
+#
+# Run from your dev machine (Arch) after pushing code to the repo.
+# Requires: nix (Determinate), cachix (authenticated via ~/.config/cachix/cachix.dhall)
+#
+# Usage:
+#   ./deploy/push-cache.sh              # build + push douro-installed
+#   ./deploy/push-cache.sh douro        # same as above (default)
+#   ./deploy/push-cache.sh tejo         # build + push tejo live config
+#   ./deploy/push-cache.sh all          # build + push all configs
+set -euo pipefail
+
+CACHE="aiolabs"
+SCRIPT_DIR="$(cd "$(dirname "$0")/.." && pwd)"
+cd "$SCRIPT_DIR"
+
+target="${1:-douro}"
+
+build_and_push() {
+  local name="$1"
+  local attr="$2"
+
+  echo "==> Building $name ($attr)..."
+  nix build ".#$attr" --no-link --print-out-paths | cachix push "$CACHE"
+  echo "==> Pushed $name to $CACHE.cachix.org"
+}
+
+case "$target" in
+  douro)
+    build_and_push "douro-installed toplevel" "nixosConfigurations.douro-installed.config.system.build.toplevel"
+    ;;
+  douro-live)
+    build_and_push "douro live ISO" "iso-douro"
+    ;;
+  tejo)
+    build_and_push "tejo live ISO" "iso-tejo"
+    ;;
+  sintra)
+    build_and_push "sintra live ISO" "iso-sintra"
+    ;;
+  all)
+    build_and_push "douro-installed toplevel" "nixosConfigurations.douro-installed.config.system.build.toplevel"
+    build_and_push "douro live ISO" "iso-douro"
+    build_and_push "tejo live ISO" "iso-tejo"
+    build_and_push "sintra live ISO" "iso-sintra"
+    ;;
+  *)
+    echo "Usage: $0 [douro|douro-live|tejo|sintra|all]"
+    exit 1
+    ;;
+esac
+
+echo ""
+echo "Done. ATMs will pull binaries from https://$CACHE.cachix.org on next upgrade."